Finding the Fourth Proportional to 1,845,116.62, 2,765,259.66 and 991,190.17
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Solution
The fourth proportional to 1,845,116.62, 2,765,259.66 and 991,190.17 is: 1,485,487.77
Step by Step Solution
- Step 1: Write the proportion equation
1,845,116.62 : 2,765,259.66 = 991,190.17 : x - Step 2: Convert to fraction form
1,845,116.62/2,765,259.66 = 991,190.17/x - Step 3: Cross multiply
1,845,116.62x = 2,765,259.66 × 991,190.17 - Step 4: Simplify right side
1,845,116.62x = 2,740,898,178,533.05 - Step 5: Solve for x
x = 2,740,898,178,533.05/1,845,116.62 - Step 6: Final answer
x = 1,485,487.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.